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Cushion|Lab Grown|IGI

4.13ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG628448090

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG628448090

Diamond specifications and retailer prices

From $5,529 AUD
$3,884 USD
As of October 30, 2026
Save $28,865 AUD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $34,394 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 4.13ct lab-grown cushion diamond

This 4.13ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG628448090 or 628448090. Listed at 12 retailers as of October 30, 2026, with prices from $5,529 to $34,394, a $28,865 spread on the same certified stone. Do Amore Diamonds lists it at $34,394. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.13
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628448090
Dimensions9.29 × 9.21 × 6.20 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.29 mm9.21 mm4.13 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628448090
Side View
Table 59.0%Crown 34.6°Girdle: THK-VTKPavilion 39.3°Culet: NoneDepth 67.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $34,394 AUD|Low: $5,529 AUD|High: $45,512 AUD|Avg: $16,419 AUD|-24.4%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 5$5,529 AUD
Retailer 8$5,780 AUD
Retailer 7$6,348 AUD
Retailer 3$7,776 AUD
Retailer 11$9,354 AUD
Retailer 2$10,936 AUD
Retailer 12$11,553 AUD
Retailer 9$13,784 AUD
Retailer 10$15,894 AUD
Retailer 6$18,222 AUD
Retailer 4$27,964 AUD
Do Amore Diamonds$34,394 AUD

30 data points across 12 retailers

12 retailers$5,529 AUD to $34,394 AUD

A
Cheapest Retailer
-
$5,529 AUD
$3,884 USD
A
Retailer 2
-
$5,780 AUD
$4,060 USD
View
A
Retailer 3
-
$6,348 AUD
$4,459 USD
View
A
Retailer 4
-
$7,776 AUD
$5,462 USD
View
Final sale: no returns
A
Retailer 5
-
$9,354 AUD
$6,571 USD
View
A
Retailer 6
-
$10,936 AUD
€7,316 EUR
View
Retailer 7
-
$11,553 AUD
$8,115 USD
View
Price last confirmed 13 days ago
B+
Retailer 8
-
$13,784 AUD
£7,624 GBP
View
B+
Retailer 9
-
$15,894 AUD
$11,165 USD
View
B+
Retailer 10
-
$18,222 AUD
$12,800 USD
View
B
Retailer 11
-
$27,964 AUD
$19,643 USD
View
Most Expensive
B
Do Amore Diamonds
27-8876827D8 · Oct 31
$34,394 AUD
$24,160 USD
View
11 more retailers have this diamond
Prices start from $5,529 AUDSave up to $28,865 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.13ct Cushion
$5,529 AUD